[ Because humans, when they get into a group, become huge assholes, Zelda.

Duke sort-of shrugs. 'Lambda' seemed to have sound reasoning to Duke... ]

It was born of the tainted Aer, and sought to consume it. This is what was shared from the last occurrence, although may have been Entelexeia not wishing to share that ingesting too much Aer - which would be produced because of the imbalance caused by blastia - caused them to go mad and become the parts of the Adephagos. Think it is... mindless interest in eating.